7280025 has 24 divisors (see below), whose sum is σ = 12156960. Its totient is φ = 3843840.

The previous prime is 7280011. The next prime is 7280033. The reversal of 7280025 is 5200827.

It is not a de Polignac number, because 7280025 - 2⁷ = 7279897 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 7279977 and 7280004.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8046 + ... + 8904.

It is an arithmetic number, because the mean of its divisors is an integer number (506540).

Almost surely, 2^7280025 is an apocalyptic number.

7280025 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

It is an amenable number.

7280025 is a deficient number, since it is larger than the sum of its proper divisors (4876935).

7280025 is a wasteful number, since it uses less digits than its factorization.

7280025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 985 (or 980 counting only the distinct ones).

The product of its (nonzero) digits is 1120, while the sum is 24.

The square root of 7280025 is about 2698.1521454507. The cubic root of 7280025 is about 193.8106435210.

The spelling of 7280025 in words is "seven million, two hundred eighty thousand, twenty-five".